semiconductingsubstance

noun
UK /ˌsɛmikənˈdʌktɪŋ ˈsʌbstəns/
US /ˌsɛmikənˈdʌktɪŋ ˈsʌbstəns/

A material that lets electricity flow through it only sometimes, not all the time.

Silicon is a semiconducting substance used to make computer chips.


OTHER MEANINGS

2. A solid whose ability to carry electricity falls between that of a conductor and an insulator.

Engineers study each semiconducting substance before using it in a device.

3. A material whose conductivity can be changed by adding impurities or applying heat.

Doping turns a plain semiconducting substance into a useful electronic component.

4. A base material for diodes, solar cells, and microchips.

The factory processes a semiconducting substance into thin wafers.